You've leased a small placer claim. Strip the overburden, dig the pay, run it through the plant, clean the mats, smelt your own bars and sell them. Buy bigger iron with the money. Freeze-up comes in 120 days. Nothing to drive: you decide, the crew does the work.
The front of the claim is glass: the layers show in section and the pit goes down behind it. Click any ground to pick it. Hover anything for what it is. The ? button has the full rules.